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MCLs, DLRs, and PHGs for Regulated Drinking Water Contaminants <br />(Units are in milligrams per liter (mg /L), unless otherwise noted.) <br />Last Update: September 23, 2015 <br />This table includes: <br />California's maximum contaminant levels (MCLs) <br />Detection limits for purposes of reporting (DLRs) <br />Public health goals (PHGs) from the Office of Environmental Health Hazard Assessment <br />OEHHA <br />Also, PHGs for NDMA and 1,2,3 - Trichloropropane (which are not yet regulated) are included <br />at the bottom of this table. <br />Date of <br />MCL <br />DLR <br />PHG <br />PHG <br />Chemicals with MCLs in 22 CCR §64431— Inorganic Chemicals <br />Aluminum <br />1 <br />0.05 <br />0.6 <br />2001 <br />Antimony <br />0.006 <br />0.006 <br />0.02 <br />1997 <br />Antimony <br />0.0007 <br />2009 draft <br />Arsenic <br />0.010 <br />0.002 <br />0.000004 <br />2004 <br />Asbestos (MFL = million fibers per liter; for <br />7 MFL <br />0.2 MFL <br />7 MFL <br />2003 <br />fibers >10 microns Ion <br />Barium <br />1 <br />0.1 <br />2 <br />2003 <br />Be Ilium <br />0.004 <br />0.001 <br />0.001 <br />1 2003 <br />Cadmium <br />0.005 <br />0.001 <br />0.00004 <br />2006 <br />Chromium, Total - OEHHA withdrew the <br />`Withdrawn <br />0.05 <br />0.01 <br />1999 <br />0.0025 -m /L PHG <br />Nov. 2001 <br />Chromium, Hexavalent <br />0.010 <br />0.001 <br />0.00002 <br />2011 <br />Cyanide <br />0.15 <br />0.1 <br />0.15 <br />1997 <br />Fluoride <br />2 <br />0.1 <br />1 <br />1997 <br />Mercury (inorganic) <br />0.002 <br />0.001 <br />0.0012 <br />1999 <br />rev2005 * <br />Nickel <br />0.1 <br />0.01 <br />0.012 <br />2001 <br />Nitrate (as nitrogen, N) <br />10 as N <br />0.4 <br />45 as NO3 <br />1997 <br />=10asN <br />Nitrite as N <br />1 as N <br />0.4 <br />1 as N <br />1997 <br />Nitrate + Nitrite as N <br />10 as N <br />10 as N <br />1997 <br />Perchlorate <br />0.006 <br />0.004 <br />0.001 <br />2015 <br />Selenium <br />0.05 <br />0.005 <br />0.03 <br />2010 <br />Thallium <br />0.002 <br />0.001 <br />0.0001 <br />1999 <br />rev2004 <br />Exhibit 3 <br />75C -13 <br />